The Party is being degraded by its acceptance of secret donations.

该党因接受秘密捐款而遭贬低。

《柯林斯英汉双解大词典》

Everything is a kind of secret.

一切都是秘密。

youdao

They don't know I know that, so it is a sort of secret.

他们都不知道我已经知道了，所以这算是一个秘密。

youdao

Darwin began work on a series of secret notebooks containing his thoughts about the evolutionary process.

VOA: special.2009.02.25

Embedded within the explicit plot of the simile is a secret, a kind of buried narrative, and it's a hidden story that illustrates Satan's self-destruction.

深藏在这个比喻精巧的情节布局里的，是一个秘密，一个被深埋已久的故事，一个隐藏着的，阐述了撒旦自我毁灭的故事。

耶鲁公开课 - 弥尔顿课程节选

Now we're going to analyze this, no secret here, we're going to analyze this using the idea of best response.

毫无疑问,接下来,我们要用最佳对策的思想来分析了

耶鲁公开课 - 博弈论课程节选

It may have planted the seeds for an entire new generation of secret-spilling sites.

FORBES: Here Come The WikiLeaks Copycats: IndoLeaks, BrusselsLeaks And BalkanLeaks

And then this week, it began posting 250, 000 cables revealing a trove of secret diplomatic information.

CNN: The secret life of Julian Assange

The difficulty of opening a box goes up as the number increases of secret sliding panels.

FORBES: Japanese Secret Boxes: The Coolest Security Puzzles for Kids and Adults